If a trigger produces compilation errors, it is still created, but it fails on execution. You can see the associated compiler error messages with the SQL*Plus command SHOW ERRORS. This means it effectively blocks all triggering DML statements until it is disabled, replaced by a version without...
A filespec can appear in the following statements: "CREATE DATABASE", "ALTER DATABASE", "CREATE TABLESPACE", and "ALTER TABLESPACE", "CREATE CONTROLFILE", "CREATE LIBRARY", and "CREATE TEMPORARY TABLESPACE". You must have the privileges necessary to issue one of these statements. Keywords ...
curl --request GET \ https://${DATABRICKS_HOST}/api/2.0/sql/statements/${SQL_STATEMENT_ID}\ --header"Authorization: Bearer${DATABRICKS_TOKEN}"\ --output'sql-execution-response.json'\ && jq .'sql-execution-response.json' 如果回應夠大(例如,在此案例中,執行SELECT l_orderkey, l_extendedpric...
Given any SQL query, is basically impossible to anybody to pretend it knows the execution order. If you add detailed information about the schema involved (exact tables and indexes definition) and the estimated cardinalities (size of data and selectivity of keys) then one can take a guess at ...
Does the order of parameters in the where clause affect whether a table uses an index? 13 What's the execute order of the different parts of a SQL select statement? 0 Order of execution in SQL query? 49 Order Of Execution of the SQL query 6 Does the Column Order in...
how to find sql stored procedures without NOLOCK statements in a database how to find the all databases sizes in sql server 2000 ? How to find the last execution time of stored procedure sql server 2005 How to find the most expensive operation in an execution plan - need to rea...
一.执行计划 EXPLAIN works with SELECT, DELETE, INSERT, REPLACE, and UPDATE statements.With the help of EXPLAIN, you can see where you should add indexes to
Use the PREPARE statement to parse, validate, and generate an execution plan for one or more SQL statements at runtime. PUT statement Use the PUT statement to store a row in an insert buffer for later insertion into the database.
The “SAP SQL Statistics” has the same user interface as in “SQL Statements” and ST05 to display the execution plan of a query. However, you should be aware that this is an estimated execution plan. It is created using the parameters stored in the SAP statement cache of ...
EXECUTE AS SELF 与 EXECUTE AS user_name 等价,其中指定用户是创建或更改模块的用户。创建或更改模块的用户的实际用户 ID 存储在sys.sql_modules或sys.service_queues目录视图的execute_as_principal_id列中。 SELF 是队列的默认值。 注意 若要在sys.service_queues目录视图中更改execute_as_principal_id的用户 ID...